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Monitoring Population Trends of House Flies and Stable Flies (Diptera: Muscidae) on Texas High Plains Feedlots

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  024149,  2002 ASAE Annual Meeting . (doi: 10.13031/2013.10508) @2002
Authors:   Justin Talley, Greta Schuster, David Parker, Bill Clymer, Carl Patrick
Keywords:   House Flies, Stable Flies, Integrated Pest Management, Feedlots

More than 7 million beef cattle are fed in open-lot feedlots in the Texas High Plains. As urban populations encroach upon rural agricultural communities, concerns about nuisance issues escalate. One of the nuisance concerns for feedlots and nearby neighbors is flying insects. House flies and stable flies are the primary problem insects at feedlots. Not only are flies a nuisance, but certain types of flies can negatively affect animal performance, resulting in lost revenues. During a seven month period in 2000 and 2001, fly populations were monitored at two research feedlots and six commercial feedlots. Insect populations were determined using insect traps (alsynite panels, sticky tape, bait traps). Traps were monitored twice a weak and house flies and stable flies were counted and identified. The predominant fly species were the house fly (Musca domestica) and the stable fly (Stomoxys calcitrans). All sites had fly population peak activity during mid-June through September. The house fly population decreased significantly from 2000 to 2001 due to environmental conditions. Stable fly populations were more prevalent at feedlots with higher head capacities. Data indicate that the house fly population was affected more by an integrated pest management program than the stable fly population.

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